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Chevrolet 19418930 Catalytic Converter

2011-2015 Chevrolet Silverado

Customer Questions & Expert Answers (3)
19418930 GM Catalytic Converter
  • Part Description
    Converter Assembly, 3Way Catalytic Kit
  • Replaces
    25811716, 22751290
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number19418930
    Part DescriptionCatalytic Converter; Converter Assembly, 3Way Catalytic Kit
    Item Dimensions59.2 x 18.4 x 14.8 inches
    Item Weight24.70 Pounds
    ConditionNew
    Replaces25811716, 22751290
    ManufacturerGeneral Motors
    SKU19418930
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2011-2015 Chevrolet Silverado8 Cyl 6.0L Flex2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 2500 LONG BOX, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, EXTENDED CAB 1 TON, EXTENDED CAB 8' BOX 3/4 TON, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 19418930 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What does a reduction catalyst do for the Catalytic Converter in the 2012 Chevrolet Silverado? Posted by Ventura M.
    A:
    A reduction catalyst reduces oxides of nitrogen. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Nov 03, 2025
    Q:
    How many types of converters, including Catalytic Converters, are there for the 2011 GMC Sierra? Posted by Maheshwar K.
    A:
    There are two types of converters: an oxidation catalyst and a reduction catalyst. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Aug 24, 2023

Genuine GM Part 19418930, the Right Choice

To ensure reliability, purchase GM part # 19418930 Catalytic Converter. It is sometimes referred to as Chevrolet Catalytic Converter, Chevrolet Exhaust Pipe. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Silverado models.

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